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<BODY bgcolor=#F0F0F0 text=#000000 link=#0000ff vlink=#C000C0 alink=#ff0000><A NAME=top></A>
<h5><a href="https://github.com/urbanjost/M_strings">[UP]</a></h5>
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<CENTER>
<H1><HR><I>Manual Reference Pages &nbsp;-&nbsp;</I><NOBR>expand (3m_strings)</NOBR><HR></H1>
</CENTER>
<A name=0>

     <H3>NAME</H3>

</A>
<BLOCKQUOTE>
<B>expand</B>(3f) - [M_strings:NONALPHA] expand C-like escape sequences
(LICENSE:PD)
<P>
</BLOCKQUOTE>
<A name=contents></A><H3>CONTENTS</H3></A>
<BLOCKQUOTE>
<A HREF=#1>Synopsis</A><BR>
<A HREF=#2>Description</A><BR>
<A HREF=#3>Examples</A><BR>
<A HREF=#4>Author</A><BR>
<A HREF=#5>License</A><BR>
</BLOCKQUOTE>
<A name=6>

     <H3>SYNOPSIS</H3>

</A>
<BLOCKQUOTE>
function <B>expand</B>(line,escape) <B>result</B>(<I>lineout</I>)
<P>
<PRE>
   character(len=*)                      :: line
   character(len=1),intent(in),optional  :: escape
   character(len=:),allocatable          :: lineout
<P>
</PRE>
</BLOCKQUOTE>
<A name=2>

     <H3>DESCRIPTION</H3>

</A>
<BLOCKQUOTE>
<B>EXPAND</B>() expands sequences used to represent commonly used escape
sequences or control characters. By default &#46;&#46;&#46;
<P>
Escape sequences
<BLOCKQUOTE>
<TABLE cellpadding=3><!-- tsb: Escape sequences
 -->
<TR></TR><TR></TR>
<TR valign=top><TD width=6% nowrap>
<B>\</B> </TD><TD valign=bottom>
backslash
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>a</B> </TD><TD valign=bottom>
alert (BEL) -- g is an alias for a
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>b</B> </TD><TD valign=bottom>
backspace
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>c</B> </TD><TD valign=bottom>
suppress further output
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>e</B> </TD><TD valign=bottom>
escape
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>f</B> </TD><TD valign=bottom>
form feed
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>n</B> </TD><TD valign=bottom>
new line
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>r</B> </TD><TD valign=bottom>
carriage return
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>t</B> </TD><TD valign=bottom>
horizontal tab
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>v</B> </TD><TD valign=bottom>
vertical tab
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>oNNN</B> </TD><TD valign=bottom>
byte with octal value NNN (3 digits)
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>dNNN</B> </TD><TD valign=bottom>
byte with decimal value NNN (3 digits)
</TD></TR>
<TR valign=top><TD width=6% nowrap>
<B>xHH</B> </TD><TD valign=bottom>
byte with hexadecimal value HH (2 digits) -- h is an alias for x
</TD></TR>
<TR></TR></TABLE></BLOCKQUOTE>
<P>
The default escape character is the backslash, but this may be
changed using the optional parameter ESCAPE.
</BLOCKQUOTE>
<A name=3>

     <H3>EXAMPLES</H3>

</A>
<BLOCKQUOTE>
Sample Program:
<P>
<PRE>
    program demo_expand
    !  test filter to expand escape sequences in input lines
    use M_strings, only : expand
    character(len=1024) :: line
    integer             :: ios
       READFILE: block
          do
             read(*,&#146;(A)&#146;,iostat=ios)line
             if(ios /= 0) exit READFILE
             write(*,&#146;(a)&#146;)trim(expand(line))
          enddo
       endblock READFILE
    end program demo_expand
<P>
</PRE>
Sample input:
<P>
<PRE>
     \e[2J
     \tABC\tabc
     \tA\a
     \nONE\nTWO\nTHREE
<P>
</PRE>
</BLOCKQUOTE>
<A name=4>

     <H3>AUTHOR</H3>

</A>
<BLOCKQUOTE>
John S. Urban
</BLOCKQUOTE>
<A name=5>

     <H3>LICENSE</H3>

</A>
<BLOCKQUOTE>
Public Domain
</BLOCKQUOTE>
<P><HR>
<TABLE width=100%><TR> <TD width=33%><I>Nemo Release 3.1</I></TD> <TD width=33% align=center>expand (3m_strings)</TD> <TD align=right width=33%><I>April 30, 2022</I></TD> </TR></TABLE><FONT SIZE=-1>Generated by <A HREF="http://www.squarebox.co.uk/download/manServer.shtml">manServer 1.08</A> from 11170933-be01-4ed7-b4ec-9b11ae9c5f51 using man macros.</FONT>
<br><br><center><img src="images/expand.gif"></center>
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